How do you bind an event handler to an element so it is called once and then removed?
A). element.addEventListenerOnce('click', handler)
B). element.once('click', handler)
C). element.addEventListener('click', handler, { once: true })
D). element.on('clickOnce', handler)
Which event is fired when the mouse pointer is moved onto an element?
A). mouseenter
B). mouseleave
C). mouseover
D). mousemove
How do you add an event listener to an element in JavaScript?
A). element.addEventListener('click', handler)
B). element.attachEvent('click', handler)
C). element.on('click', handler)
D). element.listen('click', handler)
Which event is fired when a user double-clicks on an HTML element?
A). click
B). dblclick
C). doubleclick
D). clicktwo
How can you get the element that triggered the event?
A). event.target
B). event.srcElement
C). event.element
D). event.currentElement
Which event is fired when the page has finished loading?
A). unload
B). load
C). ready
D). DOMContentLoaded
What event occurs when an element loses focus?
A). blur
B). focus
C). focusout
D). unfocus
How do you stop event propagation?
A). event.preventDefault()
B). event.stopPropagation()
C). event.cancelBubble()
D). event.stop()
What is the correct way to attach a load event to the window object?
A). window.onload = function() {}
B). window.addEventListener('load', function() {})
C). window.attachEvent('onload', function() {})
D). window.listen('load', function() {})
What does the event.preventDefault() method do?
A). Stops the event from propagating
B). Stops the default action of the event
C). Stops the event handler
D). Stops the event